428 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



20. CYPHOMEBIS Standley, nom. nov. 



Lindenia Mart. & Gal. Bull. Acad. Sci. 13rux. 10 1 : 357. 1843, not Benth. 1842. 

 Tinantia Mart. & Gal. op. cit. II 1 : 240. 1844, not Schiedw. 1839. 

 Senkenbcrgia Schauer, Linnaea 19: 711. 1847, not Senckenbergia Gaert. Mey. & 

 Scherb. 1800. 

 Type species, Lindenia gypsophiloides Mart. & Gal. 



KEY TO THE SPECIES. 



Stems and leaves glabrous; leaf blades ovate-lanceolate or linear- 

 lanceolate, usually entire; inflorescence of usually simple 

 racemes 1 . C. gypsophiloides. 



Stems and leaves puberulent; leaf blades ovate, the margins 



undulate; inflorescence much branched 2, C. crassifolia. 



1. Cyphomeria gypsophiloides (Mart. & Gal.) Standley. 



Lindenia gypsophiloides Mart. & Gal. Bull. Acad. Sci. Brux. 10 1 : 358. 1843. 

 Tinantia gypsophiloides Mart. & Gal. op. cit. II 1 : 240, 1844, 

 Senkenbcrgia annulata Schauer, Linnaea 19: 711. 1847. 

 Boerhaavia gibbosa Pavon; Choisy in DC. Prodr. 13 2 : 457. 1849. 

 Senkenbcrgia gypsophiloides Benth. & Hook. Gen. PI. 3: 6. 1880. 

 Boerhaavia gypsophiloides Coulter, Contr. Nat. Herb. 2: 354. 1894. 

 Type locality, "Dans lea plaines a mimosees et a cact£es de Tehuacan de las Gra- 

 nadas, a environ 5,000 pieds," 

 Specimens examined: 



Chihuahua: Near Chihuahua, 1885, Pringle 693; Chihuahua, 1886, Pringle 937. 



Coahuila: Saltillo, 1898, Palmer 1714. 



Puedla: Tehuacan, 1905, Purpus 1331. 



Hidalgo: Ixmiquilpan, 1905, Purpus 1438; on Sierra de la Mesa, 1905, Rose, 

 Painter &• Rose 9133. 



Nuevo Le6n: Between Monterey and Cerralvo, 1847, Wislizcnus 340 . 



Without definite locality: Doctor Coulter 1434; Gregg 513. 



2. Cyphomeris crassifolia Standley. 



Senhenbergia crassifolia Standley, Contr. Nat. Herb. 12: 373. 1909. 

 Type locality, "Saltillo, Coahuila." Type collected in 1898 by Dr. Edward Palmer 

 (no. 172). 

 Specimens examined: 



Nuevo Le6n: Monterey, Edwards; Nuevo Leon, October 12, 1895, Caec, & FA. 



Selerim. 

 Coahuila: Azufrora, 1848-9, Gregg 513. 



Without definite locality: Between San Luis Potosf and San Antonio, Texas, 

 August, 1878, Parry & Palmer 771 (in part). 



21. COMMICARPUS Standley. 



Commicarpus Standley, Contr. Nat. Herb. 12: 373. 1909. 

 Type species, Boerhaavia scandens L. 



key to the species. 



Pedicels glabrous; glands scattered irregularly over the fruit 1 . C. scandens. 



Pedicels pubescent; glands arranged in more or less regular horizontal 



rows about the fruit 2. C. brandegei. 



1. Commicarpus scandens (L.) Standley, Contr. Nat. Herb. 12: 373. 1909. 



Boerhaavia scandens L. Sp. PI. 3. 1753. 



Boerhaavia sarmentosa P. Br. Nat. Hist. Jam. 123. 1756. 



Boerhaavia grahami A. Gray, Amer. Journ. Sci. II. 15: 323. 1853. 



Type locality, "In Jamaica ad urbem jago de la vega." 



